package com.example.springinit2.aspect;

import com.alibaba.fastjson.JSON;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

import java.util.Arrays;
import java.util.logging.Logger;

@Aspect
@Component
public class LogAspect {
  private Logger logger = Logger.getLogger("LogAspect");

  ThreadLocal<Long> startTime = new ThreadLocal<>();

  @Pointcut("execution(public * com.example.springinit2.service.impl.*.*(..))")
  public void log(){}

  @Before("log()")
  public void doBefore(JoinPoint joinPoint) throws Throwable {
	startTime.set(System.currentTimeMillis());
	// 接收到请求，记录请求内容
	//ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
	//HttpServletRequest request = attributes.getRequest();

	// 记录下请求内容
	//logger.info("URL : " + request.getRequestURL().toString());
	//logger.info("HTTP_METHOD : " + request.getMethod());
	//logger.info("IP : " + request.getRemoteAddr());
	//logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());
	logger.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));
	logger.info("ARGS : " + JSON.toJSONString(joinPoint.getArgs()));
  }

  @AfterReturning(returning = "ret", pointcut = "log()")
  public void doAfterReturning(Object ret) throws Throwable {
	logger.info(String.format("RESPONSE : %s" , (ret)));
	logger.info("SPEND TIME : " + (System.currentTimeMillis() - startTime.get()));
  }

}
